When someone spends too much time in a shower, bath or swimming pool and ends up with soft, wrinkled skin. This then leads to the person looking like a Prune, hence the term.
by Grbel08 August 16, 2011
 Get the Pruningmug.
Get the Pruningmug. In private BitTorrent site jargon, a pruned account is one that got deleted, usually due to inactivity on the tracker. Use it or lose it.
by Sharky Smith April 25, 2008
 Get the prunedmug.
Get the prunedmug. Roommate 1: Hey man, it's raining, can we smoke in the dorm?
Roommate 2: No, Roommate 3 is being a prune and is spending all day in the dorm, and he'll totally rat on us if we smoked while he was in the room.
Roommate 1: Fuck man, prunes ruin everything.
Roommate 2: No, Roommate 3 is being a prune and is spending all day in the dorm, and he'll totally rat on us if we smoked while he was in the room.
Roommate 1: Fuck man, prunes ruin everything.
by ErrorFM February 5, 2010
 Get the prunemug.
Get the prunemug. by Chris Graham January 29, 2004
 Get the pruningmug.
Get the pruningmug. She's pruning in that picture.
by Miss Kitty Kat January 25, 2011
 Get the Pruningmug.
Get the Pruningmug. by boarderchick January 22, 2007
 Get the prunemug.
Get the prunemug. (v., Irish slang) To grab someone's testicles and squeeze hard. A common tactic of bullies in Irish schoolyards.
by UrbanDick75 November 1, 2009
 Get the prunemug.
Get the prunemug.